#include <iostream>
#include <typeinfo>
#include <string>
#include <ctime>
using namespace std;
int main(int argc, char const *argv[])
{
    double a;
    clock_t start, end;
    start = clock();
    string hello;
    auto old_state = cin.rdstate();
    // cout << cin.clear() << endl;
    // cin >> hello;
    end = clock();
    cout << end - start << flush;
    cout << endl;
    cout << unitbuf;
    cout << typeid(cin).name() << endl;
    // cout << cin.setstate(old_state) << endl;

    return 0;
}
